em28xx 5-1:0.237: No AC97 audio processor
list_add corruption. prev->next should be next (ffffffff8f965ea0), but was ffffffff8b29940d. (prev=ffff88803af28250).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:32!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.13.0-rc6-syzkaller-g2144da25584e #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: usb_hub_wq hub_event
RIP: 0010:__list_add_valid_or_report+0xbe/0x100 lib/list_debug.c:32
Code: d3 fc 90 0f 0b 48 89 d9 48 c7 c7 20 ef d1 8b e8 48 dd d3 fc 90 0f 0b 48 89 f1 48 c7 c7 a0 ef d1 8b 48 89 de e8 33 dd d3 fc 90 <0f> 0b 48 89 f2 48 89 d9 48 89 ee 48 c7 c7 20 f0 d1 8b e8 1b dd d3
RSP: 0018:ffffc900000c6f00 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffffffff8f965ea0 RCX: ffffffff81795dc9
RDX: 0000000000000000 RSI: ffffffff817a0796 RDI: 0000000000000005
RBP: ffff88802ad68250 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000006 R12: ffff88802ad68250
R13: ffff88802ad68000 R14: ffff88802ad69a04 R15: ffff88801203a800
FS:  0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efea2398000 CR3: 000000001fe3a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_add_valid include/linux/list.h:88 [inline]
 __list_add include/linux/list.h:150 [inline]
 list_add_tail include/linux/list.h:183 [inline]
 em28xx_init_extension+0x48/0x200 drivers/media/usb/em28xx/em28xx-core.c:1114
 em28xx_init_dev.constprop.0+0x197b/0x3090 drivers/media/usb/em28xx/em28xx-cards.c:3679
 em28xx_usb_probe+0x1262/0x3720 drivers/media/usb/em28xx/em28xx-cards.c:4034
 usb_probe_interface+0x300/0x9c0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
 device_add+0x114b/0x1a70 drivers/base/core.c:3665
 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254
 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
 device_add+0x114b/0x1a70 drivers/base/core.c:3665
 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651
 hub_port_connect drivers/usb/core/hub.c:5521 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x2d9a/0x4e10 drivers/usb/core/hub.c:5903
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0xbe/0x100 lib/list_debug.c:32
Code: d3 fc 90 0f 0b 48 89 d9 48 c7 c7 20 ef d1 8b e8 48 dd d3 fc 90 0f 0b 48 89 f1 48 c7 c7 a0 ef d1 8b 48 89 de e8 33 dd d3 fc 90 <0f> 0b 48 89 f2 48 89 d9 48 89 ee 48 c7 c7 20 f0 d1 8b e8 1b dd d3
RSP: 0018:ffffc900000c6f00 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffffffff8f965ea0 RCX: ffffffff81795dc9
RDX: 0000000000000000 RSI: ffffffff817a0796 RDI: 0000000000000005
RBP: ffff88802ad68250 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000006 R12: ffff88802ad68250
R13: ffff88802ad68000 R14: ffff88802ad69a04 R15: ffff88801203a800
FS:  0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efea2398000 CR3: 0000000030e86000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400